/****************************************************************************************
**
** Copyright (C) 2013 Jolla Ltd.
** Contact: Vesa-Matti Hartikainen <vesa-matti.hartikainen@jollamobile.com>
** All rights reserved.
** 
** This file is part of Sailfish Silica UI component package.
**
** You may use this file under the terms of BSD license as follows:
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
**     * Redistributions of source code must retain the above copyright
**       notice, this list of conditions and the following disclaimer.
**     * Redistributions in binary form must reproduce the above copyright
**       notice, this list of conditions and the following disclaimer in the
**       documentation and/or other materials provided with the distribution.
**     * Neither the name of the Jolla Ltd nor the
**       names of its contributors may be used to endorse or promote products
**       derived from this software without specific prior written permission.
** 
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR
** ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**
****************************************************************************************/

import QtQuick 2.0
import Sailfish.Silica 1.0

Text {
    id: valueIndicator

    color: slider.highlighted ? Theme.highlightColor : Theme.primaryColor
    font.pixelSize: Theme.fontSizeHuge

    transformOrigin: Item.BottomLeft
    scale: slider.pressed ? 1.0 : (Theme.fontSizeLarge / Theme.fontSizeHuge)

    Behavior on scale { NumberAnimation { duration: 80 } }

    text: slider.valueText

    property real _midOff: (scale * width - highlight.width)/2

    x: Math.min(Math.max(Theme.paddingMedium, highlight.x - _midOff), parent.width - scale * width - Theme.paddingMedium)
    anchors.bottom: background.verticalCenter
    anchors.bottomMargin: Theme.paddingMedium + Theme.paddingSmall
    visible: text !== ""
}
